Type-writer carriage-return device.



O. BRISBOIS. TYPE WRITER CARRIAGE RETURN DEVICE.

APPLICATION HL'ED OCT. 3. 19M. v 1,140,333. Patented May18,1915.

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Witnesses:

O. BRISBOIS.

TYPE WRITER CARRIAGE RETURN DEVICE. APPLICATION FILED OCT. 3, 1914..

1,140,333. Patented May18,1915.

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0. BRISBOIS.

TYPE WRITER CARRIAGE RETURN DEVICE. APPLICATION FILED 001.3.1914.

Llw fifio Patented May18,1915.

3 SHEETSSHEET 3.

' riage-Return Devices,

therefore, be said that ODILON BRISBOIS, 0F

CHICAGO, ILLINOIS, ASSIGNOE 0F FIFTY-ONE ONE-HUNDREDTHS T0 JOHN H. WARE,OF CHICAGO, ILLINOIS.

TYPE-WRITER CARRIAGE-RETURN DEVICE.

il ,illth333.

Specification of Letters Patent.

Patented May 11%, 1915.

Application filed October 3, 1914-. Serial No. 864,816.

To all whom it may concern Be it known that I, ODILON Bmseorsfia citizenof the United States, and a resident of Chicago, in the county of Cookand State of Illinois, have invented certain new and useful Improvementsin Type-Writer Carof which the following is a specification, regardbeing had to the drawings accompanying and forming a part hereof.

This invention relates to means to return the carriage of a type writerfrom its position at the end of a line to a position at the beginning ofthe next line.

The object of the invention is to obtain a device which can be set toreturn the type writer carriage automatically, from the end of a line ofa determined length to the beginning of the next line; to obtain adevice which well permit the operator to depress a key when the end of aline of less than said determined length is reached, and thereupon thedevice will return the type writer carriage to the beginning of the nextline; and to obtain a device which can be attached to a type writeralready in use, without necessitating the return of said type writer toa factory.

, A further object is to obtain a device which may be actuated by theelectric current ordinarily used for lighting ofiides, houses, halls andthe like.

To those skilled in the operation of type writers it is known that thesheet of paper on which type characters are to be made is usuallymounted on a roller carried by a carriage, and that said carriagetravels the length of a line of said characters, and is then returned tothe beginning of the next line by the operator; and it is also knownthat when a type writer is continuously operated for a number of hoursthe energy required to return the carriage becomes a severe strain tomany persons. It may, the ultimate purpose of this invention is torelieve the operator of the labor entailed in returning a type writercarriage to the beginning of a line.

I have illustrated a device embodying this invention in the drawingshereinbefore referred to in which- Figure 1 is a rear elevation of atype writer frame, and of a device embodying this invention secured inplace thereon. Fig. 2 is a diagram of the electric switches,

circuits, and motor of the device. Fig. 3 is a side elevation of a typewriter frame, with the device in position thereon; and Fig. 4 is a topplan view of the device. Fig. 5 is a side elevation of the device,showing the opposite side to that which is illustrated in Fig. 3. Fig. 6is a perspective of an adjustable stop forming an element of the device.Fig. 7 is a perspective of a rock shaft, forming an element of thedevice; and Fig. 8 is a perspective of the shaft of a motor, a reel anda ribbon thereon, which form elements of the device.

A reference character applied to designate a given part indicates saidpart throughout the several figures of the drawings wherever the sameappears.

X is a type writer frame; and Y is a shelf at the rear or back of saidframe.

Z, (Fig. 3) is a portion of the type writer carriage return mechanismordinarily used on well known makes of type writers; and comprises ashaft which has a slight rocking movement in suitable bearings.

Z is. a small portion of a type writer carriage.

A; is the base of the device embodying this invention.

a is a motor secured on base A.

B is the shaft of the armature of motor a, (Figs. 1, 3 and 8).

C is a casing which is secured to the housing of motor a. Casing C isnon-rotatable and comprises parallel plates, or disks, which areconnected by screws or bolts C and the rollers G which are rotatablymounted on said screws or bolts.

D, Figs. 1 and 3, is a split journal bearing, which is provided withbase d fitting on part Z of the type writer carriage, and secured tosaid part by screw (2 d is a screw, by means of which the split bearingD is adjusted to shaft E. The end of the horizontally disposed part ofshaft E is screw threaded, as at e, to fit into a correspondingly screwthreaded hole in the end of part carriage return mechanism. Shaft E isprovided with bend a, so that the part E of said shaft is substantiallyvertical.

Part Z is adapted to rock slightly in suitable bearings and a rockingmotion is imparted thereto, by this device, by the swinging of part E ofshaft E; and said rocking movement turns the paper carriage Z of theordinary type writer roller for the next line to betype 'w'ritten. Thisturning of the paper roller is effected by mechanism intervened betweensaid part- Z and the roller; said intervening mechanism varying ondifferent forming no part of thisinventiontv" ards F, F ,are illustratedas being the vertical members of a U shaped piece :which is formed upfrom ductile metal and secured to said base vby screws 7. Said verticalmembers are'provided with needle beari for a rock shaft (H). Member F isprovided with lugs or ears I, on which key G, G is ivoted by means ofpivotal pin 9. Part G of key G, G is secured to part G by means ofscrewsor bolts The rock shaft -H is mounted on bearings 15., 72.

I I, I, I I", are arms on rock'shaft H.

J is a spring whichis attached at one end to arm I, and at the other endto adjustable post 7'. When arm I is in the. position which isillustrated by full lines in Fig. 1,- spring J tends to hold it in saidposition and when said rock shaft is in the position in which arm I isindicated by broken lines said spring J yieldingly holds it in said lastnamed position. This action of spring J is because the end of saidspringwhich is attached to arm I is above the center of pivots h, 72.when arm I is inthe position illllS? trated by full lines, and said endof. said, spring is below said pivots when said arm is in the positionindicated by broken lines.

In the movement of arm I from one to the other of the above describedositions said end-of spring J moves above, {5r below) the center of saidpivots before the completion of said movement of said arm; and hence,

the end of said movement, (in both directions), is effected by saidspring, and is correspondingly rapid. I v

The end of part G of key G, G is underneath arm I so'that depression ofthe end of part G and raising of the end of part G forces the end of armI upward, rocking shaft H on pivots it, h, from the position illustratedbythe full lines of arm I to the position with arm I in the positionindicated by broken lines. As shaft H is rocked to move arm I from theposition illustrated by full lines in said Fig. 1 to the positionindicated by broken lines, arm I is moved down, to quickly 'close theswitch K. Switch K consists of spring blades is, and 10 and in thedownward movement of arm I blades is and k are 'first brought intoelectrical contact, and immediately thereafter blades 74 and k arebrought into electrical contact. When the shaft H is rocked back to itsinitial position arm I is raised, and the electrical contact of blades78, k is first broken; and immediately thereafter the electrical contactof blades 70, k is broken, (by the resiliency of said blades).

yp water and When blades of part E K is'a' resistance coil.

K, (Fig. .2). represents the coils of the L, L, are the binding postsof,the motor,

to which the wires of the supply circuit are attachable? F, F, arestandards on base A. Stand-1" M M, are elements of the electricconductors formm motor, (see Fig. 2). p k, k1, of switch K are inelectrical contact a closed circuit is obtained in which the bindingposts L, L, conductor M, resistance coil K the coils (K) of the motor-a, and conductor M are elements, and

when blades in, lo are in electrical contact a closed circuit isobtained in which said binding posts, conductors M, M and the coils ofthe motor are elements with resistance coil K shunted. By thus firstplacing resistance coil K in the circuit with the motor, sparking atelectric terminals 72., n and 11., of said-switch K is obviated ancetherein atthe time the electrical contact of blades 1a,:lc, is broken,obviates sparking at said time. i 0 are 'grooved' rollers rotatablymountedwonstandard F; and P is a hollow bar, one end of which isattached to the end of shaft E, (by means of insulating fiber 6, rod e,and pivot e), and mounted between said rollers, to move longitudinallytothe right and left as the carriage of the type writer moves or is movedon frame X.

p, p, are teeth on bar P, corresponding with the teeth of the typewriter escapement, so that, as a tooth of said'escapement permits adetermined movement of the type writer carriage said movement ismeasured by one of said teeth on said bar Q, Q, are, respectively, postsmounted 011 bar P. Post Q, illustrated in Figs. 1 and 2 as at 'the rightmines the commencement of the line to be type written,- and post Q, atthe'left hand end of said barP, determines the end of the longest lineto be type written, when this device is attached to the typewriter. Topermit the commencement and the'ending of said lines to be varied saidposts Q, Q, are made adjustable on bar P, and are constructed as followsz-Body Q is slidable in bar P, and is provided at one endwith teeth 9,which are engageable with the teeth 39 ,1 and spring 9 is attached tobody 9 to yleldlngly hold said body with said teeth advanced toengagement with teeth p. Posts Q, Q are mounted on a body Qrespectively. To move the osts from a given position on bar P to a diany desired position. On releasing the post hand end of bar P, determaking or closing the circuit; and in braking said circuit the replacingof said resistthereby.

aaeaaea by spg' 4 into poit is forced forward q again in engagementsition with the teeth with teeth 10.

The hereinbefore described arm I is in the path of movement of the postsQ, Q. With said arm in the position illustrated by full lines in Fig. 1the 0st Q which is illus-- trated as to the left 0 said arm T, in Figs.1 and 2, is forced against it when the end of the line is nearlyreached, and said arm is moved toward the position indicated by thebroken lines in said figure. -On the return of the carriage, by theabout to be described mechanism, the post Q, which is illustrated insaid Figs. 1 and 2 as to the right of said arm I, is brought againstsaid arm when the commencement of the next line is about to be reached,and said anm is returned to its initial position. The movement andoperation of arm I is the same when said post Q, which is to the leftthereof, as illustrated in Figs. 1 and 2, is forced against it as whenthe key G, G is actuated, as hereinbefore described.

Themechanism which moves bar P from the right to the left, as viewed inFig. 1, consists of the following elements: 1' is insulating materialand R is a post secured, by means of said insulating material, to oneend of bar P. S is a spring, secured at one end to post R and at theother end to ribbon T. The other end of ribbon T is attached to shaft Bof motor a. The ribbon T is made of slightly resilient material. Thepurpose of making said ribbon of resilient material is to prevent itfrom lying tightly coiled around said shaft B; and the action of saidribbon is such that when the motor is started by the closing of theswitch K but little resistance is offered to the rotation of the shaft Bthereof; and said motor is permitted to get a start. The movement of theshaft winds the ribbon tightly thereto, and the spring S islengthened bythe strain thereon required to overcome the resistance of bar P and themechanisms actuated The initial movement of said bar rocks shaft E andturns the the type writer to the determined point for a new line of typewriting, and further movement of said bar moves the mechanisms attachedto said shaft to the left.

\Vhen the movement of bar P to the left forces pin Q against arm I theshaft H is rocked to break, as hereinbefore described, the circuits ofmotor a; and thereupon the inertia of the armature of said motor againelongates spring S. The retraction of said spring turns said armatureand shaft B backward, and the resiliency of the ribbon T produces stillfurther backward rotation of said shaft B. The movement of said bar P tothe right turns said shaft B backward and when the circuits of the motora are again closed initial rotation of said shaft P, (to the left) paperroller of B is ptted, to wind the ribbon T tightly thereto, ashereinbefore recited, before any considerable work is required of saidmotor.

I claim;

1. The combination of a switch, a resistance .coil, a motor, andconductorsfall arranged to obtain circuits, in one of which c rcuitssaid motor is a member and in the other of which said motor andresistance coil are elements, a shaft to control said switch, andthereby successively open and close said circuits, means to yieldinglyhold said shaft in an operated position, a longitudinally movable bar, aflexible connection between said bar and said motor, and a connectionbetween said bar and a type writer carriage, means on said bar toautomatically operatesaid shaft when said bar is moved in one direction,and means on said bar to automatically operate saidshaft ranged toobtain an electric circuit in which said motor is an element and acircuit in which said resistance coil and motor are ele ments, a shaftto control said switch, means to yieldingly hold said shaft in anoperated position, a longitudinally movable bar, a connection betweensaid bar and said motor to move said bar in one direction by said motor,and a connection between said bar and the carriage of a type writer tomove said bar in the opposite direction by the movement of saidcarriage, means on said bar to automatically move said shaft tosuccessively open said circuits when said bar is moved longitudinally bysaid motor, and means on said bar to automatically move said shaft tosuccessively close said circuits when said bar is moved by saidcarriage.

3. The combination of a switch, a resistance coil, conductors arrangedto obtain a circuit in which said resistance coil and said motor areelements, and a circuit in which said motor is an element, alongitudinally movable bar, a spring attached to one end of said bar anda connection between said spring and said motor, a connection betweensaid bar and a type writer carriage, adjustable abutments on said bar, ashaft, arms to said shaft, one of said arms in the path of movement ofsaid abutments, and an additional one of said arms adapted to close saidswitch, means to yieldingly hold said shaft in an operated position, amanually operated key, and an additional one of said arms in the path ofmovement of said key.

4. The combination of a switch, a motor, a resistance coil, conductorsarranged to obtain an electric circuit in which said resistance coil andsaid motor are elements, and a circuit in which said motor is anelement,

a longitudinally mo'vable bar, a connection between said bar and said.motor, a typewriter carriage, a connection between said bar and saidtype writer carriage, abutments on said bar, a shaft, arms to saidshaft, oneofsaid arms in the path of. movement of said abutments; and anadditional 'one of said arms adapted to close said switch, and meansto'fyi'eldingly hold said shaft in an operated position. i

5. The-combination of a rock shaft, means to yieldingly hold said shaftin agiven position, a switch, means to move said rock shaft from saidgiven position, to close said switch, an electric circuit in which saidswitch and an electric motor are members, and a connection between saidmotor and a type writer carriage, to move said carriage when said motoris energized, and means to automatically return said rock shaft to itsinitial position, when said motor has -'re-' turned said carriage to itsinitial position.

6. The combination of'a rock shaft, means togyieldingly hold'said rockshaft in a deadju'stable termine'd position, a switch, a ream-season,

'ai-motor, a connection between said motorand a type writer carriage, acircuitin which sa1d' switch, resistance coil and motor are In thepresence of- Gimme TURNER BROWN, 'Cmnnns B. RON.

resistance coil and mo- Illinois, this 19th a,

and motor are members the circuit is broken on said typewriter

